#ifdef _DEBUG2
#define new DEBUG_NEW3
#undef THIS_FILE4
static char THIS_FILE[] = __FILE__;5
#endif
瀵逛簬榪欐浠ｇ爜鐨勪綔鐢紝閫氬父鏈変竴涓嬭В閲婏細(xì)
榪欎釜鏄負(fù)浜?jiǎn)VC媯(gè)嫻嬪唴瀛樻硠闇茶屽畾涔夌殑, 鍙湪 Debug 鐗堟湰涓?
鏇劇粡涓涓В閲婅錛屽嬈′嬌鐢╛_FILE__瀹忥紝铏界劧寰楀埌瀛楃涓茬殑鍐呭鐩稿悓錛屼絾鏄彲鑳藉湴鍧涓嶅悓錛屽嵆鍚屼竴涓瓧絎︿覆甯擱噺澶氭鐢ㄥ埌鏃跺崰鐢ㄤ笉鍚岀殑鍦板潃錛岃繖鏍峰鑷撮渶瑕佺殑鍐呭瓨澧炲姞浜?jiǎn)銆備負(fù)浜?jiǎn)妫嫻嬪唴鍦ㄦ硠闇? Debug 鐗堟湰鐨?new 闄勫姞涓婁簡(jiǎn)璋冪敤 new 鐨勬枃浠跺悕涓庤皟鐢ㄦ墍鍦ㄧ殑琛屽彿淇℃伅, 榪欐槸閫氳繃 __FILE__ 鍜?__LINE__ 鏉ュ疄鐜扮殑, 榪欎袱涓睘浜庨瀹氫箟鐨勫唴閮ㄥ畯, 鑰屼箣鎵浠ヨ鐢?THIS_FILE 鏉ヤ唬鏇?__FILE__, 鏄負(fù)浜?jiǎn)鍑彏畱绋嬪簭澶? 濡傛灉浣犲湪涓涓枃浠朵腑鏈?10000 嬈″ new 鐨勮皟鐢? 閭ｄ箞浼?xì)鐢熸?10000 涓綋鍓嶆枃浠跺悕鐨勫父閲忓瓧絎︿覆(絎竴涓兘鏄敱 __FILE__ 瀹忔墿灞曡屾潵鐨?, 鏈鍚庣敓鎴愮殑鐩爣鏂囦歡浼?xì)寰堝? 鑰岀敤 THIS_FILE 鏉ヤ唬鏇? 褰撳墠鏂囦歡鍚嶅彧鏈変竴浠? 浼犻掓枃浠跺悕浣跨敤 THIS_FILE 鎸囬拡灝卞彲浠ヤ簡(jiǎn)銆?
__FILE__鍜宊_LINE__涓鏍烽兘鏄紪璇戝櫒瀹氫箟鐨勫畯銆傚綋紕板埌__FILE__鏃訛紝緙栬瘧鍣ㄤ細(xì)鎶奯_FILE__鏇挎崲鎴愪竴涓瓧絎︿覆錛岃繖涓瓧絎︿覆灝辨槸褰撳墠鍦ㄧ紪璇戠殑鏂囦歡鐨勮礬寰勫悕銆傚湪DEBUG_NEW鐨勫畾涔変腑娌℃湁鐩存帴浣跨敤__FILE__錛岃屾槸鐢ㄤ簡(jiǎn)THIS_FILE錛屽叾鐩殑鏄負(fù)浜?jiǎn)鍑彏畯鐩爣鏂囦欢鐨勫ぇ灏忋傚亣璁懼湪鏌愪釜cpp鏂囦歡涓湁100澶勪嬌鐢ㄤ簡(jiǎn)new錛屽鏋滅洿鎺ヤ嬌鐢╛_FILE__錛岄偅緙栬瘧鍣ㄤ細(xì)浜х敓100涓父閲忓瓧絎︿覆錛岃繖100涓瓧絎︿覆閮芥槸榪欎釜cpp鏂囦歡鐨勮礬寰勫悕錛屾樉鐒跺崄鍒嗗啑浣欍傚鏋滀嬌鐢═HIS_FILE錛岀紪璇戝櫒鍙細(xì)浜х敓涓涓父閲忓瓧絎︿覆錛岄偅100澶刵ew鐨勮皟鐢ㄤ嬌鐢ㄧ殑閮芥槸鎸囧悜甯擱噺瀛楃涓茬殑鎸囬拡銆?nbsp;
鍦?nbsp; MFC 涓紝鍙互浣跨敤 DEBUG_NEW 瀹忎唬鏇?nbsp; new 榪愮畻絎︽潵甯姪瀹氫綅鍐呭瓨娉勬紡銆傚湪紼嬪簭鐨?#8220;Debug”鐗堟湰涓紝DEBUG_NEW 灝嗕負(fù)鎵鍒嗛厤鐨勬瘡涓璞¤窡韙枃浠跺悕鍜岃鍙楓傚綋緙栬瘧紼嬪簭鐨?#8220;Release”鐗堟湰鏃訛紝DEBUG_NEW 灝嗚В鏋愪負(fù)涓嶅寘鍚枃浠跺悕鍜岃鍙蜂俊鎭殑綆鍗?nbsp; new 鎿嶄綔銆傚洜姝わ紝鍦ㄧ▼搴忕殑“Release”鐗堟湰涓笉浼?xì)閫犳垚浠諱綍閫熷害鎹熷け銆?nbsp;
濡傛灉涓嶆兂閲嶅啓鏁翠釜紼嬪簭鏉ヤ嬌鐢?nbsp; DEBUG_NEW 浠ｆ浛 new錛屽垯鍙互鍦ㄦ簮鏂囦歡涓畾涔変笅闈㈢殑瀹忥細(xì)
#define new DEBUG_NEW
褰撹繘琛屽璞¤漿鍌ㄦ椂錛岀敤 DEBUG_NEW 鍒嗛厤鐨勬瘡涓璞″潎灝嗘樉紺鴻鍒嗛厤鍒扮殑鏂囦歡鍜岃鍙鳳紝浣挎?zhèn)ㄥ彲浠ユ煡鏄庡唴瀛樻硠婕忔簮銆?nbsp;
MFC 妗嗘灦鐨?#8220;Debug”鐗堟湰鑷姩浣跨敤 DEBUG_NEW錛屼絾浠ｇ爜涓嶈嚜鍔ㄤ嬌鐢ㄥ畠銆傚鏋滃笇鏈涘埄鐢?nbsp; DEBUG_NEW 鐨勫ソ澶勶紝鍒欏繀欏繪樉寮忎嬌鐢?nbsp; DEBUG_NEW 鎴?nbsp; #define new錛屽涓婃墍紺恒?nbsp;
鎬昏搗鏉ヨ錛岃繖孌典唬鐮佺殑浣滅敤灝辨槸闃叉鍐呭瓨娉勯湶錛屽噺灝忕▼搴忕紪璇戝紑閿鐨勩?/p>
鏈枃鏉ヨ嚜CSDN鍗氬錛岃漿杞借鏍囨槑鍑哄錛?a >http://blog.csdn.net/Ronger0828/archive/2009/01/11/3750962.aspx
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